# DeepSeek V4 Pro vs Gemini 3.1 Pro Preview

As of Oct 14, 2026, DeepSeek V4 Pro leads Gemini 3.1 Pro Preview in 1 of 6 shared categories: Coding › Web dev.

DeepSeek V4 Pro: $0.4604475 per 1M blended tokens.

Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.

DeepSeek V4 Pro: open weights.

Gemini 3.1 Pro Preview: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4 Pro in General LLM at #15 against #44.
- Which to pick, Reasoning: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4 Pro in Reasoning at #14 against #45.
- Which to pick, Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4 Pro in Science at #7 against #28.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, DeepSeek V4 Pro leads Gemini 3.1 Pro Preview in Coding › Web dev at #57 against #58.
- Which to pick, Long context: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4 Pro in Long context at #12 against #43.
- Which to pick, Factuality: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4 Pro in Factuality at #18 against #41.

As of Oct 14, 2026, DeepSeek V4 Pro is ranked #28 in Science (since Oct 14, 2026; sources GPQA Diamond; methodology v1.0).

As of Oct 14, 2026, Gemini 3.1 Pro Preview is state of the art on best per dollar in Math (since Oct 14, 2026; sources Humanity's Last Exam; methodology v1.0).